Paddle shaft assembly with adjustable-pitch paddles

Details Paddle shaft assembly with adjustable-pitch paddles Paddle shaft assembly with adjustable-pitch paddles

1991-12-12

1992-12-01

Hornsby, Harvey C.

Agitating

Stirrer within stationary mixing chamber

Mounted in removable mixing chamber closure

366273, 366286, 366326, 366327, 403379, 403DIG1, 416205, B01F 1308, B01F 718

Patent

active

051674491

ABSTRACT:
A paddle shaft assembly having adjustable-pitch paddles for use in a magnetic stirring apparatus. The paddle assembly is particularly useful for magnetic stirring apparatus used for suspending cell, or tissue, cultures in a growing medium. The paddle shaft assembly includes an upper support shaft lockable to a lower support shaft for allowing the assembly to be mounted within a magnetic stirring vessel closure. The lower shaft includes a bore for accommodating removable stirring magnets. The paddle shaft assembly further includes removable paddle members having a hollow body sized and configured to be positionable within a 360 degree arc upon end portions of stirring magnets.

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